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| february, 1995 toko, inc. tk115xx page 1 10-15-94 applications n cordless telephones n pagers n battery powered systems n personal communications equipment n portable instrumentation n radio control systems n toys n low voltage systems n portable consumer equipment features n low dropout voltage n pass transistor terminals available n very low standby current ( on, no load) n very low (<200 na) current in off mode n low output noise n internal thermal shutdown n short circuit protection n available on tape and reel description the tk115xx series devices are low power, linear regu- lators with electronic on/off switches. both active high and active low control pins are provided. an internal pnp pass-transistor is used in order to achieve low dropout voltage (typically 200 mv at 80 ma load current). a base drive is available at pin 7 for connection of an external pass transistor should higher current (up to 1 a) or lower dropout voltage is required. voltage regulator with on/off switch
tk115 m voltage code tape/reel code tape/reel code bx : bulk/bag tl : tape left mg: magazine ordering information voltage code 30 = 3.0 v 45 = 4.5 v 32 = 3.25 v 47 = 4.75 v 35 = 3.5 v 50 = 5.0 v 37 = 3.75 v 55 = 5.5 v 40 = 4.0 v 80 = 8.0 v s s s s s s s s s s v o v in low control (lc) gnd kt115xx ?bd01 tk115xx reference voltage + v adj base high control (hc) + s s s s thermal protection s s 2 1 3 6 5 7 8 block diagram tk115xxm an internal thermal shutdown circuit limits the junction temperature to below 150 c. the load current is internally monitored, and the device will shut down in the presence of a short circuit at the output. the tk115xx series is available in plastic surface mount sop-8 packages. absolute maximum ratings supply voltage ......................................................... 16 v load current ....................................................... 180 ma power dissipation (note 1) ................................ 600 mw storage temperature range ................... -55 to +150 c operating temperature range .................. -30 to +80 c lead soldering temp. (10 sec.) ........................... 260 c junction temperature .......................................... 150 c note 1: derate output power by 4.8 mw/ c for operation above 25 c. 5xx a21 1 2 3 4 high control low control nc gnd 8 7 6 5 base v adj kt115xxm ?po v o v in
page 2 tk115xx february, 1995 toko, inc. 10-15-94 symbol parameter test conditions min typ max units i cc1 supply current 1 v in = 4.0 v, | o = 0 ma 500 900 m a i cc2 supply current 2 v in = 2.5 v, | o = 0 ma 1.4 2.5 ma i ccs standby supply current v in = 14 v, output off 0.2 2.0 m a v o output voltage v in = 4.0 v, | o = 30 ma 2.9 3.0 3.1 v v drop voltage dropout | o = 60 ma 0.13 0.35 v i o output current v o = 2.7 v 100 130 ma i or recommended 100 ma output current linreg line regulation v in = 4v ? 9 v 5.0 30 mv loareg load regulation i o = 0 to 30 ma, v in = 4.0 v (note 1) 18 50 mv i o = 0 to 60 ma, v in = 4.0 v (note 1) 36 80 mv rr ripple regulation 100 mvrms, f = 400 hz, 55 db v in = 4.5 v, i o = 10 ma d v o / d t a v o temperature v in = 4.5 v, i o = 10 ma, 0.3 mv/ c coefficient -20 c t a 75 c v no output noise voltage 10 hz f 100 khz, i o = 10 ma 180 m vrms i b base terminal current v in = 4.0 v 6 14 35 ma active high control terminal i hc hc terminal current output on, connect lc & gnd 2 40 m a v hc1 hc terminal voltage 1 output on, connect lc & gnd 2.4 v in v v hc2 hc terminal voltage 2 output off, connect lc & gnd 0 0.6 v active low control terminal i lc lc terminal current output on, connect hc & gnd 35 120 m a v lc1 lc terminal voltage 1 output on, connect hc & gnd 0 v in -2.5 v v lc2 lc terminal voltage 2 output off, connect hc & gnd v in -0.2 v in v note 1: this is a pulse measurement where t j is constant. the output change due to temperature is not included. test circuit 1 kt115xx ?tc01 s v in s s v out i out 0.1 f m 10 f m 1 2 3 4 on/off on/off nc gnd 8 7 6 5 base v adj v o v in s s s s v in s s + _ + + a v tk11530 electrical characteristics february, 1995 toko, inc. tk115xx page 3 10-15-94 symbol parameter test conditions min typ max units i cc1 supply current 1 v in = 4.2 v, | o = 0 ma 500 900 m a i cc2 supply current 2 v in = 2.5 v, | o = 0 ma 1.4 2.5 ma i ccs standby supply current v in = 14 v, output off 0.2 2.0 m a v o output voltage v in = 4.2 v, | o = 30 ma 3.15 3.25 3.35 v v drop voltage dropout | o = 60 ma 0.13 0.35 v i o output current v o = 2.95 v 100 130 ma i or recommended 100 ma output current linreg line regulation v in = 4.2 v ? 9.2 v 6.0 30 mv loareg load regulation i o = 0 to 30 ma, v in = 4.2 v (note 1) 20 50 mv i o = 0 to 60 ma, v in = 4.2 v (note 1) 40 80 mv rr ripple regulation 100 mvrms, f = 400 hz, 55 db v in = 4.7 v, i o = 10 ma d v o / d t a v o temperature v in = 4.7 v, i o = 10 ma, 0.3 mv/ c coefficient -20 c t a 75 c v no output noise voltage 10 hz f 100 khz, i o = 10 ma 180 m vrms i b base terminal current v in = 4.2 v 6 14 35 ma active high control terminal i hc hc terminal current output on, connect lc & gnd 2 40 m a v hc1 hc terminal voltage 1 output on, connect lc & gnd 2.4 v in v v hc2 hc terminal voltage 2 output off, connect lc & gnd 0 0.6 v active low control terminal i lc lc terminal current output on, connect hc & gnd 35 120 m a v lc1 lc terminal voltage 1 output on, connect hc & gnd 0 v in -2.5 v v lc2 lc terminal voltage 2 output off, connect hc & gnd v in -0.2 v in v tk11532 electrical characteristics note 1: this is a pulse measurement where t j is constant. the output change due to temperature is not included. page 4 tk115xx february, 1995 toko, inc. 10-15-94 symbol parameter test conditions min typ max units i cc1 supply current 1 v in = 4.5 v, | o = 0 ma 500 900 m a i cc2 supply current 2 v in = 2.5 v, | o = 0 ma 1.4 2.5 ma i ccs standby supply current v in = 14 v, output off 0.2 2.0 m a v o output voltage v in = 4.5 v, | o = 30 ma 3.38 3.5 3.62 v v drop voltage dropout | o = 60 ma 0.13 0.35 v i o output current v o = 3.2 v 100 130 ma i or recommended 100 ma output current linreg line regulation v in = 4.5 v ? 9.5 v 6.0 30 mv loareg load regulation i o = 0 to 30 ma, v in = 4.5 v (note 1) 20 55 mv i o = 0 to 60 ma, v in = 4.5 v (note 1) 40 95 mv rr ripple regulation 100 mvrms, f = 400 hz, 55 db v in = 5.0 v, i o = 10 ma d v o / d t a v o temperature v in = 5.0 v, i o = 10 ma, 0.3 mv/ c coefficient -20 c t a 75 c v no output noise voltage 10 hz f 100 khz, i o = 10 ma 180 m vrms i b base terminal current v in = 4.5 v 6 14 35 ma active high control terminal i hc hc terminal current output on, connect lc & gnd 2 40 m a v hc1 hc terminal voltage 1 output on, connect lc & gnd 2.4 v in v v hc2 hc terminal voltage 2 output off, connect lc & gnd 0 0.6 v active low control terminal i lc lc terminal current output on, connect hc & gnd 35 120 m a v lc1 lc terminal voltage 1 output on, connect hc & gnd 0 v in -2.5 v v lc2 lc terminal voltage 2 output off, connect hc & gnd v in -0.2 v in v tk11535 electrical characteristics note 1: this is a pulse measurement where t j is constant. the output change due to temperature is not included. february, 1995 toko, inc. tk115xx page 5 10-15-94 symbol parameter test conditions min typ max units i cc1 supply current 1 v in = 4.75 v, | o = 0 ma 500 900 m a i cc2 supply current 2 v in = 3.3 v, | o = 0 ma 1.4 2.5 ma i ccs standby supply current v in = 14 v, output off 0.2 2.0 m a v o output voltage v in = 4.75 v, | o = 30 ma 3.625 3.75 3.88 v v drop voltage dropout | o = 60 ma 0.13 0.35 v i o output current v o = 3.45 v 100 130 ma i or recommended 100 ma output current linreg line regulation v in = 4.75 v ? 9.75 v 6.0 30 mv loareg load regulation i o = 0 to 30 ma, v in = 4.75 v (note 1) 20 55 mv i o = 0 to 60 ma, v in = 4.75 v (note 1) 40 95 mv rr ripple regulation 100 mvrms, f = 400 hz, 55 db v in = 5.25 v, i o = 10 ma d v o / d t a v o temperature v in = 5.25 v, i o = 10 ma, 0.3 mv/ c coefficient -20 c t a 75 c v no output noise voltage 10 hz f 100 khz, i o = 10 ma 180 m vrms i b base terminal current v in = 4.75 v 6 14 35 ma active high control terminal i hc hc terminal current output on, connect lc & gnd 2 40 m a v hc1 hc terminal voltage 1 output on, connect lc & gnd 2.4 v in v v hc2 hc terminal voltage 2 output off, connect lc & gnd 0 0.6 v active low control terminal i lc lc terminal current output on, connect hc & gnd 35 120 m a v lc1 lc terminal voltage 1 output on, connect hc & gnd 0 v in -2.5 v v lc2 lc terminal voltage 2 output off, connect hc & gnd v in -0.2 v in v tk11537 electrical characteristics note 1: this is a pulse measurement where t j is constant. the output change due to temperature is not included. page 6 tk115xx february, 1995 toko, inc. 10-15-94 symbol parameter test conditions min typ max units i cc1 supply current 1 v in = 5.0 v, | o = 0 ma 500 900 m a i cc2 supply current 2 v in = 3.0 v, | o = 0 ma 1.4 2.5 ma i ccs standby supply current v in = 14 v, output off 0.2 2.0 m a v o output voltage v in = 5.0 v, | o = 30 ma 3.88 4.0 4.12 v v drop voltage dropout | o = 60 ma 0.13 0.35 v i o output current v o = 3.7 v 100 130 ma i or recommended 100 ma output current linreg line regulation v in = 5.0 v ? 10.0 v 8.0 40 mv loareg load regulation i o = 0 to 30 ma, v in = 5.0 v (note 1) 24 60 mv i o = 0 to 60 ma, v in = 5.0 v (note 1) 48 100 mv rr ripple regulation 100 mvrms, f = 400 hz, 55 db v in = 5.5 v, i o = 10 ma d v o / d t a v o temperature v in = 5.5 v, i o = 10 ma, 0.4 mv/ c coefficient -20 c t a 75 c v no output noise voltage 10 hz f 100 khz, i o = 10 ma 180 m vrms i b base terminal current v in = 5.0 v 6 14 35 ma active high control terminal i hc hc terminal current output on, connect lc & gnd 2 40 m a v hc1 hc terminal voltage 1 output on, connect lc & gnd 2.4 v in v v hc2 hc terminal voltage 2 output off, connect lc & gnd 0 0.6 v active low control terminal i lc lc terminal current output on, connect hc & gnd 35 120 m a v lc1 lc terminal voltage 1 output on, connect hc & gnd 0 v in -2.5 v v lc2 lc terminal voltage 2 output off, connect hc & gnd v in -0.2 v in v tk11540 electrical characteristics note 1: this is a pulse measurement where t j is constant. the output change due to temperature is not included. february, 1995 toko, inc. tk115xx page 7 10-15-94 symbol parameter test conditions min typ max units i cc1 supply current 1 v in = 5.5 v, | o = 0 ma 500 900 m a i cc2 supply current 2 v in = 3.5 v, | o = 0 ma 1.4 2.5 ma i ccs standby supply current v in = 14 v, output off 0.2 2.0 m a v o output voltage v in = 5.5 v, | o = 30 ma 4.36 4.5 4.64 v v drop voltage dropout | o = 60 ma 0.13 0.35 v i o output current v o = 4.2 v 100 130 ma i or recommended 100 ma output current linreg line regulation v in = 5.5 v ? 10.5 v 8.0 40 mv loareg load regulation i o = 0 to 30 ma, v in = 5.5 v (note 1) 25 65 mv i o = 0 to 60 ma, v in = 5.5 v (note 1) 55 110 mv rr ripple regulation 100 mvrms, f = 400 hz, 55 db v in = 6.0 v, i o = 10 ma d v o / d t a v o temperature v in = 6.0 v, i o = 10 ma, 0.5 mv/ c coefficient -20 c t a 75 c v no output noise voltage 10 hz f 100 khz, i o = 10 ma 180 m vrms i b base terminal current v in = 5.5 v 6 14 35 ma active high control terminal i hc hc terminal current output on, connect lc & gnd 2 40 m a v hc1 hc terminal voltage 1 output on, connect lc & gnd 2.4 v in v v hc2 hc terminal voltage 2 output off, connect lc & gnd 0 0.6 v active low control terminal i lc lc terminal current output on, connect hc & gnd 35 120 m a v lc1 lc terminal voltage 1 output on, connect hc & gnd 0 v in -2.5 v v lc2 lc terminal voltage 2 output off, connect hc & gnd v in -0.2 v in v tk11545 electrical characteristics note 1: this is a pulse measurement where t j is constant. the output change due to temperature is not included. page 8 tk115xx february, 1995 toko, inc. 10-15-94 symbol parameter test conditions min typ max units i cc1 supply current 1 v in = 5.7 v, | o = 0 ma 500 900 m a i cc2 supply current 2 v in = 3.7 v, | o = 0 ma 1.4 2.5 ma i ccs standby supply current v in = 14 v, output off 0.2 2.0 m a v o output voltage v in = 5.7 v, | o = 30 ma 4.6 4.75 4.9 v v drop voltage dropout | o = 60 ma 0.13 0.35 v i o output current v o = 4.45 v 100 130 ma i or recommended 100 ma output current linreg line regulation v in = 5.7 v ? 10.7 v 8.0 40 mv loareg load regulation i o = 0 to 30 ma, v in = 5.7 v (note 1) 25 70 mv i o = 0 to 60 ma, v in = 5.7 v (note 1) 50 120 mv rr ripple regulation 100 mvrms, f = 400 hz, 55 db v in = 6.2 v, i o = 10 ma d v o / d t a v o temperature v in = 6.2 v, i o = 10 ma, 0.6 mv/ c coefficient -20 c t a 75 c v no output noise voltage 10 hz f 100 khz, i o = 10 ma 180 m vrms i b base terminal current v in = 5.7 v 6 14 35 ma active high control terminal i hc hc terminal current output on, connect lc & gnd 2 40 m a v hc1 hc terminal voltage 1 output on, connect lc & gnd 2.4 v in v v hc2 hc terminal voltage 2 output off, connect lc & gnd 0 0.6 v active low control terminal i lc lc terminal current output on, connect hc & gnd 35 120 m a v lc1 lc terminal voltage 1 output on, connect hc & gnd 0 v in -2.5 v v lc2 lc terminal voltage 2 output off, connect hc & gnd v in -0.2 v in v tk11547 electrical characteristics note 1: this is a pulse measurement where t j is constant. the output change due to temperature is not included. february, 1995 toko, inc. tk115xx page 9 10-15-94 symbol parameter test conditions min typ max units i cc1 supply current 1 v in = 6.0 v, | o = 0 ma 500 900 m a i cc2 supply current 2 v in = 4.0 v, | o = 0 ma 1.4 2.5 ma i ccs standby supply current v in = 14 v, output off 0.2 2.0 m a v o output voltage v in = 6.0 v, | o = 30 ma, t a = 25 c 4.85 5.0 5.15 v v drop voltage dropout | o = 60 ma 0.13 0.35 v i o output current v o = 4.7 v 100 130 ma i or recommended 100 ma output current linreg line regulation v in = 6.0 v ? 11 v 8.0 40 mv loareg load regulation i o = 0 to 30 ma, v in = 6.0 v (note 1) 25 70 mv i o = 0 to 60 ma, v in = 6.0 v (note 1) 50 120 mv rr ripple regulation 100 mvrms, f = 400 hz, 55 db v in = 6.5 v, i o = 10 ma d v o / d t a v o temperature v in = 6.5 v, i o = 10 ma, 0.6 mv/ c coefficient -20 c t a 75 c v no output noise voltage 10 hz f 100 khz, i o = 10 ma 180 m vrms i b base terminal current v in = 6.0 v 6 14 35 ma active high control terminal i hc hc terminal current output on, connect lc & gnd 2 40 m a v hc1 hc terminal voltage 1 output on, connect lc & gnd 2.4 v in v v hc2 hc terminal voltage 2 output off, connect lc & gnd 0 0.6 v active low control terminal i lc lc terminal current output on, connect hc & gnd 35 120 m a v lc1 lc terminal voltage 1 output on, connect hc & gnd 0 v in -2.5 v v lc2 lc terminal voltage 2 output off, connect hc & gnd v in -0.2 v in v tk11550 electrical characteristics note 1: this is a pulse measurement where t j is constant. the output change due to temperature is not included. page 10 tk115xx february, 1995 toko, inc. 10-15-94 symbol parameter test conditions min typ max units i cc1 supply current 1 v in = 6.5 v, | o = 0 ma 500 900 m a i cc2 supply current 2 v in = 4.5 v, | o = 0 ma 1.4 2.5 ma i ccs standby supply current v in = 14 v, output off 0.2 2.0 m a v o output voltage v in = 6.5 v, | o = 30 ma 5.225 5.5 5.665 v v drop voltage dropout | o = 60 ma 0.13 0.35 v i o output current v o = 5.2 v 100 130 ma i or recommended 100 ma output current linreg line regulation v in = 6.5 v ? 11.5 v 8.0 40 mv loareg load regulation i o = 0 to 30 ma, v in = 6.5 v (note 1) 25 70 mv i o = 0 to 60 ma, v in = 6.5 v (note 1) 50 120 mv rr ripple regulation 100 mvrms, f = 400 hz, 55 db v in = 7.0 v, i o = 10 ma d v o / d t a v o temperature v in = 7.0 v, i o = 10 ma, 0.6 mv/ c coefficient -20 c t a 75 c v no output noise voltage 10 hz f 100 khz, i o = 10 ma 180 m vrms i b base terminal current v in = 6.5 v 6 14 35 ma active high control terminal i hc hc terminal current output on, connect lc & gnd 2 40 m a v hc1 hc terminal voltage 1 output on, connect lc & gnd 2.4 v in v v hc2 hc terminal voltage 2 output off, connect lc & gnd 0 0.6 v active low control terminal i lc lc terminal current output on, connect hc & gnd 35 120 m a v lc1 lc terminal voltage 1 output on, connect hc & gnd 0 v in -2.5 v v lc2 lc terminal voltage 2 output off, connect hc & gnd v in -0.2 v in v tk11555 electrical characteristics note 1: this is a pulse measurement where t j is constant. the output change due to temperature is not included. february, 1995 toko, inc. tk115xx page 11 10-15-94 symbol parameter test conditions min typ max units i cc1 supply current 1 v in = 9.0 v, | o = 0 ma 500 900 m a i cc2 supply current 2 v in = 7.0 v, | o = 0 ma 1.4 2.5 ma i ccs standby supply current v in = 14 v, output off 0.2 2.0 m a v o output voltage v in = 9.0 v, | o = 30 ma 7.76 8.0 8.24 v v drop voltage dropout | o = 60 ma 0.13 0.35 v i o output current v o = 7.7 v 100 130 ma i or recommended 100 ma output current linreg line regulation v in = 9.0 v ? 14.0 v 16.0 40 mv loareg load regulation i o = 0 to 30 ma, v in = 9.0 v (note 1) 35 110 mv i o = 0 to 60 ma, v in = 9.0 v (note 1) 70 200 mv rr ripple regulation 100 mvrms, f = 400 hz, 55 db v in = 9.5 v, i o = 10 ma d v o / d t a v o temperature v in = 9.5 v, i o = 10 ma, 1.0 mv/ c coefficient -20 c t a 75 c v no output noise voltage 10 hz f 100 khz, i o = 10 ma 180 m vrms i b base terminal current v in = 9.0 v 6 14 35 ma active high control terminal i hc hc terminal current output on, connect lc & gnd 2 40 m a v hc1 hc terminal voltage 1 output on, connect lc & gnd 2.4 v in v v hc2 hc terminal voltage 2 output off, connect lc & gnd 0 0.6 v active low control terminal i lc lc terminal current output on, connect hc & gnd 35 120 m a v lc1 lc terminal voltage 1 output on, connect hc & gnd 0 v in -2.5 v v lc2 lc terminal voltage 2 output off, connect hc & gnd v in -0.2 v in v tk11580 electrical characteristics note 1: this is a pulse measurement where t j is constant. the output change due to temperature is not included. page 12 tk115xx february, 1995 toko, inc. 10-15-94 typical performance characteristics common characteristics tk115xx ?tpc97 c fb 1 pf 1000 pf 0.1 ? 100 ? noise level vs feedback capacitor 275 ? 0 10 pf 100 pf .01 ? test circuit 3 i = 60 ma o low pass fil = 100 khz tk11580 tk11520 200 ? noise v tk115xx ?tpc71 line transient response 5 ?/div 50 mv/div v (om) = v +1 v in o v o 1 v/div v in tk115xx ?tpc72 load transient response v = v +1 v in 5 ?/div o 100 mv/div v o 50 ma/div i o frequency (khz) ripple rejection (db) 0.100 10 100 tk115xx ?tpc74 ripple rejection vs frequency 0 ?0 ?00 v = v +1.5 v in o 1 i = 5 ma o test circuit 2 i = 0 ma o test circuit 2 ripple rejection test circuit s s out 4.7 f m in kt115xx ?tc02 tk115xx 4.5v + t (50 ?/div) v (t) (v) o tk115xx tpc73 turn on transient response 5 0 v sw i = 10 ma o i = 100 ma o v = v ?v sw on/off v (t) sw in 035 tk115xx ?tpc75 control pin characteristics 12 4 v ; -v on/off on/off v (v) o 5 4 3 2 1 0 ?00 0 +100 i on/0ff v o i on/0ff i s =vcont,hc i s =vcont2,lc 1 2 3 4 8 7 6 5 4.7 f + m s s c fb v o i o v in test circuit 3 noise level test circuit t a = 25 c unless otherwise specified february, 1995 toko, inc. tk115xx page 13 10-15-94 tk115xx ?tpc79 v (v) in o 01020 output voltage vs input voltage i = 0 o a1244 a733 v (v) o v o ?0.2 v v o v o + 0.2 v tk115xx ?tpc80 i (ma) o i (ma) q 0 50 100 3 quiescent current vs load current 5 0 1 2 4 a1244 a733 no ext. boost v = v + 1 v in o tk115xx ?tpc82 v (v) in i (v) in 2 input current vs input voltage 4 0 i = 0 o a1244 a733 tk115xx ?tpc77 i (ma) o v (v) o 0 50 100 v o ?0.2 v v o v o + 0.2 v output voltage vs output current v = v + 1 v in o 2sa1244 2sa733 tk115xx ?tpc81 i (ma) o v (v) o 0 200 500 short circuit protection v o a1244 a733 no ext. boost 100 300 400 v = v + 1 v in o common characteristics with external current boost transistor (nec 2sa733 or toshiba 2sa1244) t a = 25 c unless otherwise specified 0 50 100 dropout voltage vs load current 0.2 0.1 0 a733 a1244 v (v) drop page 14 tk115xx february, 1995 toko, inc. 10-15-94 voltage adjustment 0.5 m 1 m 2 m 3 m 4 m 0.5 m 1 m 2 m 3 m 4 m r1 +100 mv 0 ?00 mv 5 v, 8 v 4 v 3 v 5 v 4 v 3 v 8 v r2 v out v adj gnd r2 v out v adj gnd r1 for small changes in output voltage use r1 to increase the output voltage or r2 to decrese the output voltage. the graph at right shows the approximate resistance values. the initial output voltage is indicated on the graph. (3 v = tk11530 etc.) v out v adj gnd 50 k for large adjustment range use a 50 k potentiometer. this method gives good results when a voltage lower than the rated output is needed. february, 1995 toko, inc. tk115xx page 15 10-15-94 v (v) in v (v) o 0510 tk115xx ?tpc76 input output characteristics (switch on) 5 4 3 2 1 0 tk11555 tk11550 tk11547 tk11520 tk11525 tk11530 tk11532 tk11540 tk11545 tk11535 tk115xx ?tpc83 v b i (ma) b -1.6 0 1.2 10 tk115xx internal pass transistor 20 0 -1.2 -0.8 0.8 test circuit 4 s kt115xx ?tc03 1 8 7 base v o v in v = v ?v b in base tk115xx i b v b test circuit 4 t a = 25 c unless otherwise specified page 16 tk115xx february, 1995 toko, inc. 10-15-94 temperature characteristics typical performance characteristics (cont.) 3.3 3.5 tk115xx ?tpc65 tk11535 output voltage vs temperature 3.7 v (v) o ?0 t ( ?) a 20 80 04060 v = v +1 v in i = 10 ma o o 3.0 3.2 tk115xx ?tpc64 tk11532 output voltage vs temperature 3.4 v (v) o ?0 t ( ?) a 20 80 04060 v = v +1 v in i = 10 ma o o 4.8 5.0 tk115xx ?tpc69 tk11550 output voltage vs temperature 5.2 v (v) o ?0 t ( ?) a 20 80 v = v +1 v in i = 10 ma o 04060 o 5.3 5.5 tk115xx ?tpc70 tk11555 output voltage vs temperature 5.7 v (v) o ?0 t ( ?) a 20 80 04060 v = v +1 v in i = 10 ma o o 4.5 4.7 tk115xx ?tpc68 tk11547 output voltage vs temperature 4.9 v (v) o ?0 t ( ?) a 20 80 v = v +1 v in i = 10 ma o 04060 o 3.5 3.7 tk115xx ?tpc98 tk11537 output voltage vs temperature 3.9 v (v) o ?0 t ( c) a 20 80 04060 i = 10 ma o v = v +1 v in o 3.8 4.0 tk115xx ?tpc66 tk11540 output voltage vs temperature 4.2 v (v) o ?0 t ( c) a 20 80 04060 i = 10 ma o v = v +1 v in o 4.3 4.5 tk115xx ?tpc67 tk11545 output voltage vs temperature 4.7 v (v) o ?0 t ( c) a 20 80 in i = 10 ma o 04060 v = 5.5 v t a = 25 c unless otherwise specified 2.8 3.0 tk115xx ?tpc63 tk11530 output voltage vs temperature 3.2 v (v) o ?0 t ( ?) a 20 80 04060 v = v +1 v in i = 10 ma o o february, 1995 toko, inc. tk115xx page 17 10-15-94 typical performance characteristics (cont.) temperature characteristics (cont.) tk11530 tk115xx ?tpc13 i (ma) o v (v) o 0 50 100 2.8 3.0 3.2 output voltage vs output current in v = 4 v tk115xx1 ?tpc15 v (v) o 01020 2.8 3.0 output voltage vs input voltage 3.2 v (v) in i = 0 o tk115xx ?tpc14 i (ma) o 0 50 100 dropout voltage vs load current 0.5 0.4 0.3 0.2 0.1 0 v (v) drop tk115xx ?tpc16 i (ma) o i (ma) q 0 50 100 5 quiescent current vs load current 10 0 in v = 4 v tk115xx ?tpc17 i (ma) o v (v) o 0 100 200 short circuit protection 5 4 3 2 1 0 in v = 4 v tk115xx ?tpc18 i (ma) in 01020 1 input current vs input voltage 2 0 v (v) in i = 0 o 7.8 8.0 tk115xx ?tpc96 tk11580 output voltage vs temperature 8.2 v (v) o ?0 t (?) a 20 80 04060 v = v +1 v in i = 10 ma o o t a = 25 c unless otherwise specified page 18 tk115xx february, 1995 toko, inc. 10-15-94 typical performance characteristics (cont.) tk115xx ?tpc24 v (v) in i (ma) in 01020 1 input current vs input voltage 2 0 i = 0 o tk115xx ?tpc22 i (ma) o i (ma) q 0 50 100 5 quiescent current vs load current 10 0 v = 4.2 v in tk115xx ?tpc20 i (ma) o v (v) drop 0 50 100 dropout voltage vs load current 0.5 0.4 0.3 0.2 0.1 0 tk11532 tk115xx ?tpc19 i (ma) o v (v) o 0 50 100 3.0 3.2 3.4 output voltage vs output current v = 4.2 v in tk115xx ?tpc21 v (v) o 01020 3.0 3.2 output voltage vs input voltage 3.4 i = 0 o v (v) in tk115xx ?tpc23 i (ma) o v (v) o 0 100 200 short circuit protection 5 4 3 2 1 0 v = 4.2 v in tk115xx ?tpc27 v (v) o 01020 3.3 3.5 output voltage vs input voltage 3.7 v (v) in i = 0 o tk115xx ?tpc25 i (ma) o v (v) o 0 50 100 3.3 3.5 3.7 output voltage vs output current v = 4.5 v in tk115xx ?tpc26 i (ma) o 0 50 100 dropout voltage vs load current 0.5 0.4 0.3 0.2 0.1 0 v (v) drop tk11535 t a = 25 c unless otherwise specified february, 1995 toko, inc. tk115xx page 19 10-15-94 typical performance characteristics (cont.) tk11535 (cont.) tk115xx ?tpc30 v (v) in i (ma) in 01020 1 input current vs input voltage 2 0 i = 0 o tk115xx ?tpc29 i (ma) o v (v) o 0 100 200 short circuit protection 5 4 3 2 1 0 v = 4.5 v in tk115xx ?tpc28 i (ma) o i (ma) q 0 50 100 5 quiescent current vs load current 10 0 v = 4.5 v in tk11537 tk115xx ?tpc87 i (ma) o i (ma) q 0 50 100 5 quiescent current vs load current 10 0 v = 4.5 v in tk115xx ?tpc88 i (ma) o v (v) o 0 100 200 short circuit protection 5 4 3 2 1 0 v = 4.7 v in tk115xx ?tpc89 v (v) in i (ma) in 01020 1 input current vs input voltage 2 0 i = 0 o tk115xx ?tpc85 i (ma) o 0 50 100 dropout voltage vs load current 0.5 0.4 0.3 0.2 0.1 0 v (v) drop tk115xx ?tpc84 i (ma) o v (v) o 0 50 100 3.5 3.7 3.9 output voltage vs output current v = 4.5 v in tk115xx ?tpc86 v (v) o 01020 3.5 3.7 output voltage vs input voltage 3.9 v (v) in i = 0 o t a = 25 c unless otherwise specified page 20 tk115xx february, 1995 toko, inc. 10-15-94 typical performance characteristics (cont.) tk115xx ?tpc34 i (ma) o i (ma) q 0 50 100 5 quiescent current vs load current 10 0 v = 5 v in tk115xx ?tpc36 v (v) in i (ma) in 01020 1 input current vs input voltage 2 0 i = 0 o tk115xx ?tpc35 i (ma) o v (v) o 0 100 200 short circuit protection 5 4 3 2 1 0 v = 5 v in tk11540 tk115xx ?tpc37 i (ma) o v (v) o 0 50 100 4.3 4.5 4.7 output voltage vs output current v = 5.5 v in tk11545 tk115xx ?tpc38 i (ma) o 0 50 100 dropout voltage vs load current 0.5 0.4 0.3 0.2 0.1 0 v (v) drop tk115xx1 ?tpc39 v (v) o 01020 4.3 4.5 output voltage vs input voltage 4.7 v (v) in i = 0 o tk115xx ?tpc31 i (ma) o v (v) o 0 50 100 3.8 4.0 4.2 output voltage vs output current v = 5 v in tk115xx ?tpc32 i (ma) o 0 50 100 dropout voltage vs load current 0.5 0.4 0.3 0.2 0.1 0 v (v) drop tk115xx ?tpc33 v (v) o 01020 3.8 4.0 output voltage vs input voltage 4.2 v (v) in i = 0 o t a = 25 c unless otherwise specified february, 1995 toko, inc. tk115xx page 21 10-15-94 typical performance characteristics (cont.) tk11545 (cont.) tk11547 tk115xx ?tpc43 i (ma) o v (v) o 0 50 100 4.5 4.7 4.9 output voltage vs output current v = 5.7 v in tk115xx ?tpc45 v (v) o 01020 4.5 4.7 output voltage vs input voltage 4.9 v (v) in i = 0 o tk115xx ?tpc44 i (ma) o 0 50 100 dropout voltage vs load current 0.5 0.4 0.3 0.2 0.1 0 v (v) drop tk115xx ?tpc48 v (v) in i (ma) in 01020 1 input current vs input voltage 2 0 i = 0 o tk115xx ?tpc47 i (ma) o v (v) o 0 100 200 short circuit protection 5 4 3 2 1 v = 5.7 v in tk115xx ?tpc46 i (ma) o i (ma) q 0 50 100 5 quiescent current vs load current 10 0 v = 5.7 v in tk115xx ?tpc40 i (ma) o i (ma) q 0 50 100 5 quiescent current vs load current 10 0 v = 5.5 v in tk115xx ?tpc41 i (ma) o v (v) o 0 100 200 short circuit protection 5 4 3 2 1 0 v = 5.5 v in tk115xx ?tpc42 v (v) in i (ma) in 01020 1 input current vs input voltage 2 0 i = 0 o t a = 25 c unless otherwise specified page 22 tk115xx february, 1995 toko, inc. 10-15-94 tk11550 typical performance characteristics (cont.) tk115xx ?tpc52 i (ma) o i (ma) q 0 50 100 5 quiescent current vs load current 10 0 v = 6.5 v in tk115xx ?tpc53 i (ma) o v (v) o 0 100 200 short circuit protection 6 5 4 3 2 v = 6.5 v in tk115xx ?tpc54 v (v) in i (ma) in 01020 1 input current vs input voltage 2 0 i = 0 o tk11555 tk115xx ?tpc55 i (ma) o v (v) o 0 50 100 5.3 5.5 5.7 output voltage vs output current v = 6.5 v in tk115xx ?tpc57 v (v) o 01020 5.3 5.5 output voltage vs input voltage 5.7 v (v) in i = 0 o tk115xx ?tpc56 i (ma) o 0 50 100 dropout voltage vs load current 0.5 0.4 0.3 0.2 0.1 0 v (v) drop tk115xx ?tpc49 i (ma) o v (v) o 0 50 100 4.8 5.0 5.2 output voltage vs output current v = 6.5 v in tk115xx1 ?tpc51 v (v) o 01020 4.8 5.0 output voltage vs input voltage 5.2 v (v) in i = 0 o tk115xx ?tpc50 i (ma) o 0 50 100 dropout voltage vs load current 0.5 0.4 0.3 0.2 0.1 0 v (v) drop t a = 25 c unless otherwise specified february, 1995 toko, inc. tk115xx page 23 10-15-94 tk11555 (cont.) typical performance characteristics (cont.) tk115xx ?tpc92 v (v) o 01020 7.8 8.0 8.25 v (v) in output voltage vs input voltage i = 0 o tk11580 tk115xx ?tpc91 i (ma) o 0 50 100 0.5 0.4 0.3 0.2 0.1 0 v (v) drop dropout voltage vs load current tk115xx ?tpc90 i (ma) o v (v) o 0 50 100 7.8 8.0 8.25 output voltage vs output current v = 9 v in tk115xx ?tpc93 i (ma) o i (ma) q 0 50 100 5 10 0 quiescent current vs load current v = 9 v in tk115xx ?tpc95 v (v) in i (ma) in 01020 1 input current vs input voltage 2 0 i = 0 o tk115xx ?tpc94 i (ma) o v (v) o 0 100 200 8 7 6 5 4 short circuit protection v = 9 v in tk115xx ?tpc60 v (v) in i (ma) in 01020 1 input current vs input voltage 2 0 i = 0 o tk115xx ?tpc59 i (ma) o v (v) o 0 100 200 short circuit protection 6 5 4 3 2 v = 6.5 v in tk115xx ?tpc58 i (ma) o i (ma) q 0 50 100 5 quiescent current vs load current 10 0 v = 6.5 v in t a = 25 c unless otherwise specified page 24 tk115xx february, 1995 toko, inc. 10-15-94 typical applications 100k kt115xx ?ta01 1 2 3 4 8 7 6 5 4.7 f s 1 f s s s s s s s s + + v in v out active high control with current boost active high control kt115xx ?ta06 1 2 3 4 8 7 6 5 c2 s c1 s s s s s + + 3.9 + s s 1 f s v in v out no switch control with current boost no switch control kt115xx ?ta05 1 2 3 4 8 7 6 5 c2 s c1 s s s s s s + + v in v out kt115xx ?ta03 1 2 3 4 8 7 6 5 4.7 f s 1 f s s s s s s s s 100k + + v in v out v in v out r kt115xx ?ta04 1 2 3 4 8 7 6 5 c2 s c1 s s s s s s s + + 3.9 s s s + v in v out active low control active low control with current boost r kt115xx ?ta02 1 2 3 4 8 7 6 5 c2 s c1 s s s s s s s s + + s + s 3.9 v in v out february, 1995 toko, inc. tk115xx page 25 10-15-94 typical applications (cont.) application hints maximize copper foil area connecting to all ic pins for optimum performance. place input and output bypass capacitors close to the gnd pin. for best transient behavior and lowest output impedance, use as large a capacitor value as possible. the temperature coefficient of the capacitance and equivalent series resistance (esr) should be taken into account. these parameters can influence power supply noise and ripple rejection. in extreme cases, oscillation may occur. in order to maintain stability, the output bypass capacitor value should be minimum 1 m f for tantalum electrolytic or 4.7 m f for aluminum electrolytic at t a = 25 o c . kt115xx ?ta07 1 2 3 4 8 7 6 5 4.7 f s s s s s s + + r + _ 100k 1 f + _ s s s s s v 3 s z gnd v in v sw r = v o i o 39 current mode regulator with on/off control and current boost kt115xx ?ta08 1 2 3 4 8 7 6 5 4.7 f s s s s s + + r + _ 100k 1 f s s s s s s + _ s s s 3.9 transistor on/off control battery charger with on/off control and current boost page 26 tk115xx february, 1995 toko, inc. 10-15-94 sop-8 package outline 3.9 0.42 1.27 1.45 m e 4.89 6.07 0.2 0.25max 1.27 0.76 5.4 1.27 e e1 0.5 0~10 +0.1 -0.05 0.3 0.2 0.2 0.2 1.64 unit:mm recommended mount pad 0.2 0.12 0.1 1 4 +0.1 -0.05 8 5 marking information marking information tk11530 530 tk11532 532 tk11535 535 tk11537 537 tk11540 540 tk11545 545 tk11547 547 tk11550 550 tk11555 555 tk11580 580 ? 1993 toko america, inc. all rights reserved printed in u.s.a. your local representative is: the information furnished by toko, inc. is believed to be accurate and reliable. however, toko reserves the right to make changes or improvements in the design, specification or manufacture of its products without further notice. toko does not assume any liability arising from the application or use of any product or circuit described herein, nor for any infringements of patents or other rights of third parties which may result from the use of its products. no license is granted by implication or otherwise under any patent or patent rights of toko, inc. ic-106-tk115 toko, inc. 1-17, higashi-yukigaya 2-chome ohta-ku, tokyo 145 japan tel: (03) 3727-1161 fax: (03) 3728-4690, 4697 |
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